Home / 30,307,430.81-45,461,540.18-10,112,672.81

Finding the Fourth Proportional to 30,307,430.81, 45,461,540.18 and 10,112,672.81

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Solution

The fourth proportional to 30,307,430.81, 45,461,540.18 and 10,112,672.81 is: 15,169,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,430.81 : 45,461,540.18 = 10,112,672.81 : x
  2. Step 2: Convert to fraction form
    30,307,430.81/45,461,540.18 = 10,112,672.81/x
  3. Step 3: Cross multiply
    30,307,430.81x = 45,461,540.18 × 10,112,672.81
  4. Step 4: Simplify right side
    30,307,430.81x = 459,737,681,417,944
  5. Step 5: Solve for x
    x = 459,737,681,417,944/30,307,430.81
  6. Step 6: Final answer
    x = 15,169,140.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.